Where / how to connect e-fan trigger wire?

Discussion in 'Chevy Silverado Forum (GMC Sierra)' started by KaztheMinotaur, Mar 19, 2010.

  1. KaztheMinotaur

    KaztheMinotaur New Member

    99 / NBS / 4X4 / 4.8

    What pin on the PCM do you connect the e-fan trigger wire to? It seems like all the pins are covered by those 2 plugs? How do you get to the pin?
     

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